Albert bareis



(No Model.)

PIPE WRENCH. No.`478,948,. Patented July 12, 1892.

d l dm/{I/K/ wmmmmmm "i'"'lliiiiiiiiiili|||| |||||mmm III 11| Imm IHNIII @MMM/am@ 5mm/Lm UNrTnn STATES PATENT ALBERT BAREIS, OF ST. LOUIS, MISSOURI, ASSIGNOR, BY DIRECT AND MESNE ASSIGNMENTS, OF FIVE-SIXTI-IS TO JOHN JOHNSON, ALPHINIE MARTINI, AND ANNA MARTINI, OF SAME PLACE.

PIPE-WRENCH.

SPECIFICATION forming part Of Letters Patent No. 478,948, dated July 12, 1892.

Application filed April 6, 1892. Serial No. 428,007. (No model.)

To aZZ whom it may concern: 10 represents the lower extension of said Be it known that I, ALBERT BAREIS, of the jaw, theinner surface of which is dat, as shown city of St. Louis and State of Missouri, have at 11, and formed in said surface about its invented certain new and useful Improvemedium portion is an elongated depression 12.

5 ments in Pipe-Vrenches, ot' which the fol- 13 represents a second plate, which is also 55 lowing is a full, clear, and exact description, constructed of steel and is provided with reference being had to the accompanying ratchet-teeth, which are formed thereon in an drawings, forming a part hereof. opposite direction to those formed on the plate My invention relates to improvements in 7. 14 represents a staple-shaped extension,

1o pipe-wrenches; and it consists in the novel arwhich is formed with the said plate 13 and 6o rangement and combination of parts, as will is adapted to be received by the elongated be more fully hereinafter described,and desdepression 12 when the said plate is in a poignated in the claim. sition as shown in Fig. 2. The said plate 13 In the drawings, Figure l is a perspective is constructed to slide or move in two direc- 15 view of my complete invention having a portions, and its movement is limited in one direc- 65 tion of the handle broken away; and Fig. 2 tion by the shoulder 15, forming the throat is a vertical longitudinal section of the same, 16 of the jaw, and is limited in movement in showing the manner of securing the tooth the opposite direction by the rivet or bolt 17, jaws or plates to the wrench proper. which is passed through the extension 14 of zo The object of my invention is to provide a the wrench and the staple-shaped extension 7o simplified construction in pipewrenches 14 of the movable jaw 13, all of which isbest which in outward appearance resembles and shown in Fig. 2. is known as the alligator-jaw, but differs Vhen the wrench is first applied to a pipe, materially from said pipe-wrench in a manthe same is moved in an opposite direction 25 ner as hereinafter more fully described. to that shown by arrow in Fig. 2 upon the 75 Referring to the drawings, 1 represents my said pipe, causing the plate 13 to assume the complete wrench, which is provided with a position as shown in the drawings; but when jaw 2 and a handle 3 for manipulating said the said pipe is turned in the direction as wrench back and forth upon the pipe to be shown in the drawings the said plate will 3o turned, the same sliding in one direction and slightly move toward the shoulder 15 and 8o gripping in the opposite direction. firmly grip the pipe to be turned.

4 represents the upper extension or portion In turning a pipe the wrench is preferably of the jaw 2, which is provided with an inmoved back` and forth, sliding in one direcner iiat surface 5, and said surface provided tion and binding in the opposite direction, 3 5 with a semicircular depression 6 about its methe movable plate 13 moving back and forth S5 dium portion, as best shown in Fig. 2. as the said wrench is operated.

7 represents a ratchet-tooth plate, which is The wrenchas constructed is also adapted preferably constructed of steel, the said teeth to be applied to pipes of various sizes, worki formed in the proper direction in order to ing equally as well on small pipes as large 4o take ahold of the surface of the pipe when ones. 90 the wrench is turned in the direction as' shown Having fully described my invention, what in the arrow in Fig. 2. I claim is- 8 represents a perforated rounded exten- A pipe-wrench consisting of a handle 3, a sion, the size of which corresponds with the jaw 2, composed of extensions 4 and 10, a 45 size of the circular depression 6 and is adaptsemicircular depression 6, formed in the said 95 ed to be located therein, in which instance a extension 4, a ratchet-tooth plate 7, provided rivet or bolt 9 is passed through the extenwith a rounded projection 8, adapted to be sion 4 of the wrench and said rounded eXtenreceived by the said depression, a rivet or sion 8, whereby` the said plate is rigidly atbolt 9, passed through said extension 4 and 5o tached to the jaw 2 of the wrench. projection 8, a movable ratchet-tooth plate 13, roo

provided with a staple-shaped extension 11, an elongated depression 12, 'formed in tho said extension 10, and :uivet o1' boit 17, passed through the said extension :md the Stapleslmpod extension 11 for limiting' the movement of the said jaw 13 in ono direction, substantially as described.

In testimony whereof I :Lfiix my signature in presence of two Witnesses.

ALBERT HARRIS. `Ni tinossos:

En. LONGAN, ALFRED A. EIoKs. 

